Response rates and reasons of exclusion from cohorts of adolescent-parent pairs used in the analyses of socioeconomic status based on occupation (SES) and education
| Socioeconomic status | Cohort 1 Fathers | Cohort 2 Mothers |
| Included in the cohort | 67% (617) | 76% (701) |
| Parent missing 1990 | 27% (246) | 18% (162) |
| Adolescent missing 1992 | 3% (31) | 4% (34) |
| Missing parent and adolescent 1992 | 3% (30) | 3% (27) |
| Baseline number of adolescents | 100% (924) | 100% (924) |
| Education | Cohort 3 Fathers | Cohort 4 Mothers |
| Included in the cohort | 50% (466) | 56% (516) |
| Parent missing 1996 | 43% (397) | 38% (347) |
| Adolescent missing 1992 | 2% (14) | 2% (17) |
| Missing parent and adolescent 1992 | 5% (47) | 5% (44) |
| Baseline number of adolescents | 100% (924) | 100% (924) |